using nero express I click on add and then i select the show and it says no compatible file found.. nero is asking for mp3 files ...but these aren't mp3's.are they? ..when i use Nero Vision...it shows me the video..and i am able to create chapters .and when i burn.it takes about 40 min.. (the length of the video) but once its finished it says error.and the cd i used is still blank...